Epictetus

“ VIII. What is the true nature of the good? IX. That although we are unable to fulfil the profession of a man we adopt that of a philosopher. X. How from the designation that he bears is it possible to discover a man's duties? XI. What is the beginning of philosophy? XII. Upon the art of argumentation. XIII. Of anxiety. XIV. To Naso. XV. To those who cling obstinately to the judgements which they have once formed. XVI. That we do not practise the application of our judgements about things good and evil. ”